Fixed typo
Fixed typo

Accidentally used " instead of ' in the `TrimEnd` function, which takes `params char[]`.
tomnolan95/RedditSharp,pimanac/RedditSharp,justcool393/RedditSharp-1,CrustyJew/RedditSharp,chuggafan/RedditSharp-1,angelotodaro/RedditSharp,RobThree/RedditSharp,Jinivus/RedditSharp,SirCmpwn/RedditSharp,theonlylawislove/RedditSharp,nyanpasudo/RedditSharp